Tektronix 222 User manual

TEK OPERATORS
MANUAL
070-7100-00
PRODUCT GROUP 40
222
HAN DH ELD
DIGITAL STORAGE
OSCILLOSCOPE
OPERATORS
First Printing DEC 1988
Revised APR 1990
Please Check for
CHANGE INFORMATION
at the Rear of This Manual
COMMTTEO TO EXCELI.ENCE

Copyright © 1988, 1990 Tektronix, Inc. All rights reserved. Contents of this
publicationmaynotbereproducedinanyform withoutthe writtenpermission
of Tektronix, Inc.
Products of Tektronix, Inc. and its subsidiaries are covered by U.S. and
foreign patents and/or pending patents.
~
TEKTRONIX, TEK, and ~ are registered trademarks of Tektronix, Inc.
Printed in U.S.A. Specification and price change privileges are reserved.
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Certificate of the Manufacturer/Importer
we hereby certify that the 222 DIGIT AL STORAGE
OSCILLOSCOPE AND ALL INSTALLED OPTIONS
complies with the RF Interference Suppression requirements of
Amtsbl.-Vfg 1046/1984.
. d h t
the equipment Is being
The German Postal Service was not1fle t a
marketed.
The German Postal Service has the right to re-test the series and to
verify that it complies.
TEKTRONIX
Bescheinigung des Herstellers/lmporteurs
222 DIGITAL STORAGE Hlermit wlrd bescheinigt, dal3 der/dle/das__;:==--:::..:..:::.:..;...;__ ____ _
OSCILLOSCOPE AND ALL INSTALLED OPTIONS
In Ubereinstimmung mit den Bestlmmungen der Amtsblatt-VerfugLlng
1046/1984 funkentstort 1st.
Der Deutschen Bundespost wurde das lnverkehrbrlngen dleses Gerates
angezelgt und die Berechtlgung zur 'uberprufu'ng der Serie auf Einhalten
der Bestimmungen eingeraumt.
TEKTRONIX

NOTICE to the user/operator:
The German Postal Service requires that Systems assembled by the
operator/user of this Instrument must also comply with Postal
Requlatlon,
Vfg. 1046/1984, Par. 2, Sect. 1.
HINWEIS fLlr den Benutzer/Betrelber:
Die vom Betrelber zusammengestellte Anlage, lnnerhalb darer dies
Gerat eingesetzt wlrd, mu13 ebenfalls den Voraussetzungen nach Par. 2,
Ziff. 1 der Vfg. 1046/1984 genugen.
NOTICE to the user/operator:
The German Postal Service requires that this equipment, when used In a
test setup, may only be operated If the requirements of Postal
Regulation,
Vfg. 104611984, Par. 2, Sect. 1.7.1 are compiled with.
HINWEIS fLlr den Benutzer/Betrelber:
Dales Ger'at dart In Me/3aufbauten nur betrieben warden, wenn die
Voraussetzungen des Par. 2,
Ziff. 1. &.1 der Vfg. 1046/1984
eingehalten werden.
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TABLE OF CONTENTS
Page
LIST OF ILLUSTRATIONS ............................... v
LIST OF TABLES ...................................... vi
OPERATORS SAFETY SUMMARY ....................... vii
Section 1 YOUR NEW OSCILLOSCOPE
1.1 FEATURES .............................. 1-1
1.2 SPECIFICATION SUMMARY
................ 1-2
1.3 STANDARD ACCESSORIES ................ 1-4
1.4 OPTIONAL ACCESSORIES . . . . . . . . . . . . . . . . . 1-4
Section 2 GETIING STARTED
2. 1 SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2.2 BATTERY-CHARGER ADAPTER
............. 2-1
2.3 EXTERNAL SUPPLY VOLTAGE
.............. 2-1
2.4 BATTERY OPERATION
.................... 2-2
2.5 FIRST TIME BATTERY OPERATION .......... 2-3
2.6 START-UP .............................. 2-4
2.7 AUTO TIMEOUT .......................... 2-4
2.8 VIEWING A SIGNAL QUICKLY .............. 2-4
Section 3 WHAT THE CONTROLS DO
3.1 CONTROL REFERENCE TABLES ............ 3-1
3.2
ON-SCREEN READOUT LOCATIONS ........ 3-6
3.3 EXPANDED CONTROLS INFORMATION ...... 3-8
3.4 CRT DISPLAY, MENU BUTTONS,
AND POWER ............................ 3-8
3.5 VERTICAL CONTROLS ................... 3-10
3.6 HORIZONTAL CONTROLS ................ 3-12
3.7 TRIGGER CONTROLS .................... 3-14
3.8 TOP PANEL BUTTONS ................... 3-16
3.9 REAR PANEL CONTROLS AND
CONNECTORS ......................... 3-19
REV JUN 1989

Page
Section 4 HOW IT WORKS
4.1 TURN ON . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.2 AUTO
SETUP ....................... : : : : : 4-1
4.3 MENU SELECTION ....................... 4-2
4.4 STORE OR NONSTORE DISPLAY
MODE SELECTION
....................... 4-3
4.5 CLEARING MENU AND SAVED WAVEFORM
DISPLAYS ............................... 4-3
4.6 CHANNEL SELECTION .................... 4-3
4.7 VERTICAL INPUT COUPLING ............... 4-4
4.8 VOLTS/DIV SCALING ...................... 4...:5
4.9 VERTICAL POSITIONING .................. 4-5
4.10 VARIABLE VOLTS/DIV CONTROL ............ 4-6
4.11 CH1 AND CH2 INVERTED DISPLAY .......... 4-6
4.12 SEC/DIV SCALING ........................ 4-7
4.13 HORIZONTAL POSITIONING . . . . . . . . . . . . . . . 4-8
4.14 X10 MAGNIFICATION ..................... 4-8
4.15 TRIGGER LEVEL SETTING ................. 4-9
4.16 TRIGGER SLOPE SELECTION .............. 4-9
4.17 TRIGGER MODE SETTING . . . . . . . . . . . . . . . . 4-10
4.18 TRIGGER SOURCE SELECTION ............ 4-11
4.19 SAVING WAVEFORMS
.................... 4-12
4.20 RECALLING SAVED WAVEFORMS .......... 4-13
4.21 SAVING FRONT-PANEL SETUPS ........... 4-14
4.22 RECALLING FRONT-PANEL SETUPS ....... 4-16
4.23 CLEARING SAVED FRONT-PANEL SETUPS .. 4-17
4.24 SETTING TRIGGER POSITION ............. 4-18
4.25 ACQUISITION MODE SELECTION .......... 4-20
4.26 X-Y OR Y-T DISPLAY MODE SELECTION .... 4-21
4.27 READOUT ON OR OFF ................... 4-21
4.28 AUTO TIMEOUT ......................... 4-2a
4.29 SETTING BAUD RATE .................... 4-24
4.30 ACTIVATING THE LOCAL MODEM .......... 4-25
4.31 DISPLAY XY ROTATION ALIGNMENT ........ 4-26
4.32 SELF CALIBRATION ...................... 4-28
4.33 FIRMWARE VERSION IDENTIFICATION ...... 4-31
ii
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Section 5 MAKING MEASUREMENTS
5.1 SIGNAL TRACING WITH AUTO SETUP ....... 5-1
5.2 GRATICULE MEASUREMENTS . . . . . . . . . . . . . . 5-1
5.3 FLOATING MEASUREMENTS . . . . . . . . . . . . . . .
5-6
5.4 DIFFERENTIAL MEASUREMENTS . . . . . . . . . . . 5-6
5.5 SINGLE SWEEP OPERATION ............... 5-8
Section 6 MORE ON HOW IT WORKS
6.1 AUTO SETUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
6.2 PROBES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-3
6.3 STORE AND NONSTORE DISPLAY MODES ... 6-5
6.4 VERTICAL INPUT COUPLING . . . . . . . . . . . . . . . 6-5
6.5 DEFAULT ACQUISITION MODES . . . . . . . . . . . . 6-6
6.6 TRIGGER MODES ....................... 6-10
6.7 TRIGGER SOURCE ...................... 6-12
6.8 TRIGGER POSITION . . . . . . . . . . . . . . . . . . . . . 6-12
6.9 TRIGGER LEVEL/AUTO LVL: PUSH ......... 6-12
6.10 ACQUISITION MODES ................... 6-13
6.11 TIPS ON BATTERY CARE . . . . . . . . . . . . . . . . . 6-14
6.12 ALTERNATE METHOD FOR BATTERY
CHARGING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-15
6.13 BATTERY REPLACEMENT ................. 6-15
6.14 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . 6-17
6.15 REPACKAGING FOR SHIPMENT . . . . . . . . . . . 6-17
Section 7 OPTIONS AND ACCESSORIES
7.1 INTRODUCTION ......................... 7-1
7.2 STANDARD ACCESSORIES
................ 7-1
7.3 OPTIONAL ACCESSORIES
................. 7-2
7.4 OPTIONS ............................... 7-2
7.5 PARTS SUPPLIED WITH THE 222ACC FIELD
ACCESSORIES KIT ....................... 7-2
Section 8 PERFORMANCE SPECIFICATIONS
8.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
8.2 RECOMMENDED PERFORMANCE
CHECK SCHEDULE ....................... 8-1
REV APR 1990
iii

Page
8.3 DETAILED SPECIFICATIONS ............... 8-1
8.3.1 Vertical Deflection System . . . . . . . . . . . . 8-1
8.3.2 Trigger System
..................... 8-6
8.3.3 Horizontal System ................... 8-6
8.3.4 X-Y Operation ...................... 8-8
8.3.5 RS-232 Interface .................... 8-8
8.3.6 External Power Requirements ......... 8-8
8.3.7 Internal Batteries .................... 8-9
8.4 ENVIRONMENTAL SPECIFICATIONS ........ 8-10
8.5 MECHANICAL SPECIFICATIONS ........... 8-12
Appendix A CHECKING YOUR INSTRUMENT'S
PERFORMANCE
A.1 INTRODUCTION ......................... A-1
A.2
TEST EQUIPMENT REQUIRED .............. A-1
A.3 PERFORMANCE CONDITIONS
............. A-3
A.4 PERFORMANCE CHECK INTERVAL .......... A-3
A.5 PREPARATION ........................... A-4
A.6 INDEX TO PERFORMANCE CHECKS ........ A-5
A.7 DISPLAY CHECKS ........................ A-6
A.8 VERTICAL ............................... A-8
A.9 HORIZONTAL ........................... A-15
A.10 TRIGGER .............................. A-17
INDEX
CHANGE INFORMATION
iv REV
JUN 1989
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Figure
2-1
3-1
3-2
3-3
3-4
3-5
3-6
3-7
3-8
3-9
3-10
4-1
5-1
5-2
5-3
5-4
5-5
6-1
8-1
8-2
A-1
LIST OF ILLUSTRATIONS
Page
External Power Input . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Front-Panel controls . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Top-Panel buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Rear Panel .................................. 3-4
On-screen readout locations . . . . . . . . . . . . . . . . . . . 3-6
CRT display, menu buttons, and power ........... 3-8
Probes and Vertical controls ................... 3-10
Horizontal controls ........................... 3-12
Trigger controls ............................. 3-14
Top-Panel buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16
Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19
ALIGN x:f test pattern
........................ 4-28
Peak-to-peak voltage measurement ............. 5-2
Voltage with respect to ground .................. 5-3
Time measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Rise Time measurement ....................... 5-5
Common-mode rejection with differential inputs . . . . 5- 7
Probes and probe accessories . . . . . . . . . . . . . . . . . .
6-4
Maximum rated normal-mode voltage versus
frequency derating curve . . . . . . . . . . . . . . . . . . . . . . .
8-4
Maximum rated common-mode voltage versus
frequency derating curve . . . . . . . . . . . . . . . . . . . . . . .
8-5
Trigger jitter check ........................... A-22
REV APR 1990 v

Table
3-1
3-2
3-3
3-4
6-1
6-2
6-3
6-4
A-1
A-2
vi
LIST OF TABLES
Page
Front-Panel Controls Quick Reference ........... 3-1
Top-Panel Controls Quick Reference
............ 3-3
Rear-Panel Controls Quick Reference ............ 3-4
On-Screen Readouts . . . . . . . . . . . . . . . . . . . . . . . . . 3- 7
AUTO SETUP Defaults ......................... 6-2
Default Acquisition Modes ..................... 6-7
Repetitive Store Fill . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10
AUTO
LVL Trigger Interval Limits . . . . . . . . . . . . . . . 6-11
Test Equipment Required
...................... A-2
VOLTS/DIV Accuracy Settings .................. A-12
REV JUN 1989
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OPERATORS SAFETY SUMMARY
The safetyinformation in this summaryis for operatingpersonnel. Warnings
and cautions will also be found throughout the manual where they apply .
Terms in this Manual
CAUTION statements identify
conditions or practices that could
result
in damage to the equipment
or other property.
WARNING statements identify
conditions or practices that could
result
in personal injury or loss of
life.
Terms as Marked on
Equipment
CAUTION indicates a personal
injury hazard not immediately
accessible as one reads the
markings, or a hazard to property,
including the equipment itself.
DANGER indicates a personal
injury hazard immediately acces-
sible as one reads the marking.
Symbols in this Manual
Indicates where
applicable cautionary or
other information is to be
found. For maximum input
voltage ratings, see the
Specifications.
Symbols as Marked on
Equipment
~ DANGER-High voltage.
£. ATTENTION-Refer to
manual.
lol DOUBLE INSULATED-No
safety ground required.
Safety Grounding
This instrument is double insulated
and does not use or require a
safety-grounding conductor.
Do Not Operate in an
Explosive Atmosphere
Toavoid explosion, do not operate
this productin an explosiveatmos-
phere unless it has been certified.
Do Not Remove Covers
or Panels
To avoid personal injury, do not
remove the product covers or
panels. Donotoperatetheproduct
without the covers and panels
properly installed.
REV JUN 1989
vii

Section 1-222 DSO Operators
SECTION 1
YOUR NEW OSCILLOSCOPE
1.1 FEATURES
The 222 Digital Storage Oscilloscope is a portable, hand-heldinstru-
ment. It is lightweight and battery operated for remote-site servicing.
Its total portability makes waveform testing easy in locations difficult
or impossible to reach with a standard-sized oscilloscope. The 222
has the following features:
• DC to 10 MHz signal bandwidth
• 1Omegasample per second digitizing rate
• 1 MHz single-shot storage bandwidth
• 10 MHz repetitive storage bandwidth
• Fully isolated dual vertical channels
• 5
mV to 50 V per division vertical deflection sensitivity
• 50 ns to 20 sec per division time base
• On-screen readouts
• Auto setup and auto level triggering
• Minimumtwo houroperating time with afully charged battery
• Three hour recharge time with the instrument off
• Time Out feature when not in active use
• Envelope mode peak detect for glitch capture
• Averaging for smoothing of last four waveform acquisitions
• Continuous envelope mode for monitoring signal changes
• Four front-panel setup save memories
• Four waveform save memories
• Fully configurable front panel and waveform transfers via
the RS-232 communication port
REV APR 1990
1-1

Your New Oscilloscope -222 DSO Operators
1.2 SPECIFICATION SUMMARY
The complete instrument specifications are given in Section 8.
DC Accuracy ±3%
Horizontal Display Accuracy
X1
X10 MAG
Sample Rate Accuracy
Record Length
Vertical Resolution
Useful Bandwidth
Sample Mode
(Single-shot
sampling)
Repetitive Mode
Greater than 0.5 µs/div
0.5 µs/div or Less
Peak Detect Mode
(ENV and
CONT ENV)
Sine Wave Capture
Pulse Width Amplitude
Capture
±2%
±5%
0.01%
512 data points (50 per
division)
8-bits, 25 levels per vertical
division. 10.24 divisions
dynamic range
5
Timebase
Hz
The maximum sampling rate
of 10 MHz is reached at a
SEC/DIV setting of 5 µs/div.
5
Timebase Hz
10 MHz
The analog bandwidth is
limited to 1
OMHz by the
vertical system.
1 MHz
100 ns
1-2
REV APR 1990
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Your New Oscilloscope-222 DSO Operators
Maximum Rated Normal-Mode
Voltage (probe tip to probe
common)
400 V (de + peak ac) to
2 MHz. See Figure 8-1 for
frequency derating curve.
Maximum Rate
Common-Mode
Voltage (probe common to
chassis) 400 V (de + peak ac) to
1 kHz. See Figure
8-2 for
frequency derating curve.
Maximum Rated Potential
Between Channels 800 V (de + peak ac)
Maximum Rated Potential
Between Either Power Pin
and
EXT TRIG COMM
or RS-232 Common
-0.5 to 42 V peak
~
Ifeitherthe EXT TRIG COMMconnector or the RS-232
cable is connected to an external earth ground
or
external power is applied, the oscilloscope chassis
cannot be elevated.
Weight
Without accessories
Dimensions
Length
Height
Width
4.4 lbs
(2 kg)
9.9 in (252 mm)
3.4
in (86.4 mm)
6.25
in (158.8 mm)
REV APR 1990
1-3

Your New Oscilloscope-222 DSO Operators
Battery-Charger Adapter
Battery
Operating Tlme
Charging Time
External
Power Requirements
AC
DC
CRT Graticule Dimensions
18 Vrms
Sealed lead-acid battery
with four cells. 8.8 V
open-
circuit EMF at full charge.
Two hours minimum with a
fully charged battery.
Three hours with the
oscilloscope turned off.
Battery charging takes
place while the
oscilloscope is running
with the battery-charger
adapter supplying power.
16-20
Vac, 16 VA:
47 to 400 Hz.
12-28 Vdc, 15 Watts.
8 X
10 divisions of 0.5 cm
square (diagonal size
approximately 2.5 inches).
1.3 STANDARD ACCESSORIES (refer
to Section 7 for part
numbers)
The instrument is shipped with the following standard accessories:
1 Operators Manual
1 Quick Reference Guide
1 RS-232 Interface Guide
1 Instrument Carrying Pouch
1 Battery-Charger Adapter (wall transformer)
1 Probe Accessories Kit
1 Cabinet Feet Accessory Kit
1-4
REV APR 1990
·=·
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Your New Oscllloscope-222 DSO Operators
1.4 OPTIONAL ACCESSORIES (refer to Section 7 for part
numbers)
Spare Battery
Accessory Pouch for Battery or Battery-Charger Adapter
(attaches to the instrument carrying case)
RS-232 Interconnection Cable
BNC-female-to-dual-banana Adapter
RS-232 Demonstration Disk
P2000 1 OOX Attenuator Head
P6122 Probe
Field Accessories Kit
REV APR 1990
1-5

Section 2-222 DSC Operators Manual
SECTION 2
GETTING STARTED
2.1 SAFETY
The Operator's Safety Summary (preceding section 1ofthis manual}
contains safety information about the use of this instrument. Before
connecting the instrument to a power source, read the Operator's
Safety Summary and this section .
2.2 BATTERY-CHARGER ADAPTER
Instruments are shipped with a detachable battery-charger adapter
(wall transformer} that plugs into an ac power-source outlet. The
adapter converts the power-source ac voltage to the
16 to 20 Vac
input voltage needed to operate the instrument (with or without the
battery installed} and charges the oscilloscope's internal battery.
use the battery-chargeradapterto operatethe oscilloscopewhen an
ac line voltage source is available to maintain battery charge for use
when portable operation of the oscilloscope is needed. Use the
appropriate battery-charger adapter for the available power source
voltage
(115 Vac and 230 Vac). The adapter plugs into the instru-
ment's external powerreceptacle as shown
in Figure 2-1. An optional
accessory pouch to carry either the battery-charger adapter
(U.S.
model only} or a spare battery may be ordered (see section 7 for the
part number}. The accessory pouch attaches to the instrument
carrying case.
2.3 EXTERNAL SUPPLY VOLTAGE
The 222 operates on an external supplyvoltage ofeither 12 to 28 Vdc
or 16 to 20 Vac (47 to 400 Hz} from a supplythat provides at least 15
watts or
16 volt-amperes. If the battery charge state is very low, the
current drawn byachargingbatteryfrom the suppliedbattery-charger
adapter (wall transformer) is current limited, and the crt display may
notbe stable.
If this effect is seen, either charge the batteryfor 1hour
before operating the oscilloscope or operate without the battery
installed until it can be charged.
REV APR 1990
2-1